Home / 50,865.41-76,299.86-20,470.16

Finding the Fourth Proportional to 50,865.41, 76,299.86 and 20,470.16

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Solution

The fourth proportional to 50,865.41, 76,299.86 and 20,470.16 is: 30,705.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,865.41 : 76,299.86 = 20,470.16 : x
  2. Step 2: Convert to fraction form
    50,865.41/76,299.86 = 20,470.16/x
  3. Step 3: Cross multiply
    50,865.41x = 76,299.86 × 20,470.16
  4. Step 4: Simplify right side
    50,865.41x = 1,561,870,584.10
  5. Step 5: Solve for x
    x = 1,561,870,584.10/50,865.41
  6. Step 6: Final answer
    x = 30,705.95

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.